1. I
2. We
3. you
4. That
5. He
6. she
7. They
8. him
9. her
10. I
11. us
12. You
13. that
14. he
15. her
16. them
17. That
18. her
Friction is required to slow down an object.
Answer:
Synthesizing and drawing conclusions
2nd and 4th options
Explanation: